[compiler-rt] [ASan][Windows] Honor asan config flags on windows when set through the user function (PR #122990)

[Vitaly Buka via llvm-commits]

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@@ -144,7 +144,8 @@ static void InitializeDefaultFlags() {
   DisplayHelpMessages(&asan_parser);
 }
 
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vitalybuka wrote:

please extract this rename into a separate PR

https://github.com/llvm/llvm-project/pull/122990